1: Clothed with worn or seeding garments.
2a: Threadbare and faced from wear. b: ill-kept: Dilapidated.
3a: Mean, Despicable, Contemptible <must feel shabby…because of his compromises – Nat Hentoff>
b: Ungenerous, unfair. c: Inferior in quality.
[Origin: obsolete English shab a low fellow.]
“She stole a glance round the office – the office of the senior partner of the firm. It suited Walter Fane, she decided. It was definitely old-fashioned, the furniture was shabby, but was made of good solid Victorian material.” – Sleeping Murder, Agatha Christie.